MOM’S NO NURSE

IT’S no secret that Ivanka Trump is a daddy’s girl, but she supports the decision of her mother, Ivana Trump, 58, to marry a guy 23 years younger. At a taping of an “Oprah” episode that will air Tuesday, the glowing girlfriend of New York Observer publisher Jared Kushner said her mom is marrying her boyfriend of six years, Rossano Rubicondi, because she “prefers to be a babysitter instead of a nurse.”